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Angular 2 Interview Questions and Answer for Experience

Angular 2 interview questions and Answer for Experience that have been designed for Angular 2 programmers who are preparing online interviews on Angular 2 interviews question. Visit Website: https://www.onlineinterviewquestions.com/angular2-interview-questions/

Angular 2 interview questions and Answer for Experience that have been designed for Angular 2 programmers who are preparing online interviews on Angular 2 interviews question. Visit Website: https://www.onlineinterviewquestions.com/angular2-interview-questions/

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<strong>Angular</strong> 2 interview questions & <strong>Answer</strong> <strong>for</strong> <strong>Experience</strong><br />

Here, we have added some basic and advanced or both questions on <strong>Angular</strong> 2<br />

that help you to crack interview on <strong>Angular</strong> 2


What is <strong>Angular</strong> 2?<br />

<strong>Angular</strong> 2 is a completely revived component-based framework in which an<br />

application is a tree of loosely coupled components. It is a more advanced<br />

version of angularJS. It is more of an “all in one” framework so it also helps in<br />

creating a single website without getting trapped into different JS<br />

frameworks. An <strong>Angular</strong> 2 is a modular framework in which our code is<br />

divided into individual procedures that offer a similar kind of functionality,<br />

hence improving the testing, up gradation and maintenance of the<br />

application.<br />

It has a lot of useful features such as- server-side rendering, cross-plat<strong>for</strong>m,<br />

and supports more languages than any other framework. It is a new<br />

typescript framework built around the concept of components which is<br />

paving the way <strong>for</strong> a better and spacious development.


What are the new features of <strong>Angular</strong> 2<br />

<strong>Angular</strong> 2 is a plat<strong>for</strong>m that encompasses a wide range of capabilities. Some new<br />

features were added in <strong>Angular</strong> 2 which includes:<br />

1. Universal server rendering- It is the library which is used to make building<br />

universal apps a smooth experience. It is an important feature of <strong>Angular</strong> 2.<br />

2. A mobile toolkit- It provides all the mobile toolkit and techniques to build highper<strong>for</strong>mance<br />

mobile applications. The web applications which are developed<br />

using the mobile toolkit can be loaded on any device with or without internet<br />

connection which is a great advantage.<br />

3. A command line interface-it can generate components, routes, services, and<br />

pipes with the help of commands.<br />

4. Data binding- data binding has been improved in <strong>Angular</strong> 2. So, whatever DOM<br />

element property you need to bind, you just wrap it in square brackets. E.g.-<br />

5. Modular- various modules have been removed from angular’s core, which has<br />

resulted in better per<strong>for</strong>mance.<br />

6. Modern- <strong>Angular</strong> 2 has been targeted as modern browsers in which various<br />

hacks that make angular harder to develop have been removed.


List of Top 20 <strong>Angular</strong> 2 interview questions<br />

• What is <strong>Angular</strong> 2?<br />

• List some advantages of <strong>Angular</strong> 2 over <strong>Angular</strong>1?<br />

• What are the new features of <strong>Angular</strong> 2?<br />

• How do you define the transition between two states in <strong>Angular</strong>?<br />

• How to declare a component in <strong>Angular</strong> 2?<br />

• What is the difference between observable and promises?<br />

• List the differences between <strong>Angular</strong> 2 components vs. directives?<br />

• What is ECMAScript?<br />

• What is Traceur Compiler?<br />

• List the modern browsers supported by <strong>Angular</strong> 2?<br />

• When to use Ngoninit and constructor in <strong>Angular</strong> 2?<br />

• How to cache an observable data?<br />

• List out the differences between ActivatedRoute and RouterState, with<br />

reference to <strong>Angular</strong> 2.


• What would you have in a shared module in <strong>Angular</strong> 2?<br />

• What do you mean by a structural directive in <strong>Angular</strong> 2?<br />

• What do you understand by a template variable? How is it used?<br />

• Explain the concept of lazy loading in <strong>Angular</strong> 2.<br />

• What is the difference between constructor and ngOnlnit in <strong>Angular</strong> js?<br />

• What is the meaning of component life cycle in <strong>Angular</strong> 2?<br />

• What is the use of ngForTrackBy directive?<br />

These are some <strong>Angular</strong> 2 interview questions and <strong>Answer</strong>. To find more Question and<br />

<strong>Answer</strong> Visit our website.<br />

Website:<br />

https://www.onlineinterviewquestions.com/

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